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Grade: 10
        Find the electric force between two protons separated by a distance of 1 fermi (1 fermi = 10-15 m). The protons in a nucleus remain at a separation of this order.
4 years ago

Answers : (3)

Jitender Pal
askIITians Faculty
365 Points
							Sol. Charge on each proton = a= 1.6 10^-19 coulomb
Distance between charges = 10 * 10^-15 metre = r
Force = kq^2/r^2 = 9 * 10^9 * 1.6 * 1.6 * 10^-38/10^-38 = 9 * 2.56 * 10 = 230.4 Netwon

						
4 years ago
Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							
Hello
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty
4 years ago
Apoorva Arora
IIT Roorkee
askIITians Faculty
181 Points
							
force is given by
F=\frac{kq_{1}q_{2}}{r^{2}}
putting all the values
F= 230.4 newtons
Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty
4 years ago
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